Skip to content

Implements various operators for ALists #2573

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Laboredih123 wants to merge 3 commits into
base: master
Choose a base branch
from
Open

Implements various operators for ALists #2573

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
355b66b
append and remove operators
Laboredih123 May 9, 2026
0caf5b7
even more operators
Laboredih123 May 16, 2026
41fd9b2
equivalent operator
Laboredih123 May 16, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
138 changes: 138 additions & 0 deletions OpenDreamRuntime/Objects/Types/DreamAssocList.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -148,4 +148,142 @@ public void Swap(int index1, int index2) {
public bool ContainsValue(DreamValue value) {
return _values.ContainsKey(value);
}

public override DreamValue OperatorAdd(DreamValue b, DMProcState state) {
var listCopy = (DreamAssocList)CreateCopy();

if (b.TryGetValueAsIDreamList(out var bList)) {
foreach (var pair in bList.EnumerateAssocValues()) {
if (listCopy.ContainsKey(pair.Key)) {
continue;
}

listCopy.SetValue(pair.Key, pair.Value);
}
} else {
listCopy.AddValue(b);
}

return new DreamValue(listCopy);
}

public override DreamValue OperatorSubtract(DreamValue b, DMProcState state) {
var listCopy = (DreamAssocList)CreateCopy();

if (b.TryGetValueAsIDreamList(out var bList)) {
foreach (DreamValue value in bList.EnumerateValues()) {
listCopy.RemoveValue(value);
}
} else {
listCopy.RemoveValue(b);
}

return new DreamValue(listCopy);
}

public override DreamValue OperatorOr(DreamValue b, DMProcState state) {
var listCopy = (DreamAssocList)CreateCopy();

if (b.TryGetValueAsIDreamList(out var bList)) {
foreach (var pair in bList.EnumerateAssocValues()) {
if (listCopy.ContainsKey(pair.Key)) {
continue;
}

listCopy.SetValue(pair.Key, pair.Value);
}
} else {
listCopy.AddValue(b);
}

return new DreamValue(listCopy);
}

public override DreamValue OperatorCombine(DreamValue b) {
if (b.TryGetValueAsIDreamList(out var bList)) {
foreach (var pair in bList.EnumerateAssocValues()) {
if (ContainsKey(pair.Key)) {
continue;
}

SetValue(pair.Key, pair.Value);
}
} else {
AddValue(b);
}

IncRef();
return new(this);
}

public override DreamValue OperatorAppend(DreamValue b) {
if (b.TryGetValueAsIDreamList(out var bList)) {
foreach (var pair in bList.EnumerateAssocValues()) {
if (ContainsKey(pair.Key)) {
continue;
}

SetValue(pair.Key, pair.Value);
}
} else {
AddValue(b);
}

IncRef();
return new(this);
}

public override DreamValue OperatorRemove(DreamValue b) {
if (b.TryGetValueAsIDreamList(out var bList)) {
foreach (var value in bList.EnumerateValues()) {
RemoveValue(value);
}
} else {
RemoveValue(b);
}

IncRef();
return new(this);
}

public override DreamValue OperatorMask(DreamValue b) {
if (b.TryGetValueAsIDreamList(out var bList)) {
foreach (var value in EnumerateValues()) {
if (!bList.ContainsKey(value)) {
RemoveValue(value);
}
}
} else {
foreach (var value in EnumerateValues()) {
if (!value.Equals(b)) {
RemoveValue(value);
}
}
}

IncRef();
return new(this);
}

public override DreamValue OperatorEquivalent(DreamValue b) {
if (!b.TryGetValueAsIDreamList(out var secondList))
return DreamValue.False;
if (GetLength() != secondList.GetLength())
return DreamValue.False;

foreach (var pair in secondList.EnumerateAssocValues()) {
if (!ContainsKey(pair.Key)) {
return DreamValue.False;
}

using var temp = GetValue(pair.Key);
if (!temp.Equals(pair.Value)) {
return DreamValue.False;
}
}

return DreamValue.True;
}
}


Loading